Energy distribution of protons following electron capture in collisions of N7+ions with H2at sub keV impact energies
作者:
P. Sobocinski,
G. Allio,
D. Martina,
O. James,
S. Dubois,
J. Rangama,
G. Laurent,
J.‐Y. Chesnel,
L. Adoui,
A. Cassimi,
D. Hennecart,
F. Fre´mont,
J. Caillat,
A. Dubois,
J.‐H. Bremer,
Z. Pesic,
B. Sulik,
N. Stolterfoht,
期刊:
AIP Conference Proceedings
(AIP Available online 1903)
卷期:
Volume 680,
issue 1
页码: 40-43
ISSN:0094-243X
年代: 1903
DOI:10.1063/1.1619660
出版商: AIP
数据来源: AIP
摘要:
The energy distributions of H+fragments produced in N7++ H2collisions at projectile energies ranging from 1.4 keV down to 32 eV have been investigated experimentally as a function of the detection angle. At 1.4 keV, two groups of peaks are clearly visible, especially at forward angles. The structure centered at energies lower than ∼ 20 eV, corresponds to a double capture at relatively large impact parameters, whereas the highly energetic protons result from capture events at very small impact parameters. The results from a quasiclassical calculation method show a good agreement with our experimental data for the fragment energy distributions. At the lowest projectile energy, the fragment energy is found to be independent on the detection angle. © 2003 American Institute of Physics
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